Jeff had various jobs before he became a well-known host on the Food Network. As outlets like Chicago Parent and The Wall Street Journal reveal, he moved to Los Angeles for a few years, hoping to make it big in show business. He wanted to become a comedian at the time. 

"I worked with The Groundlings, worked in a production office, and hustled my own cooking show. It was an abomination but I’m proud of it. It was me and my friend Ali Kahn, called Chef Jeff and Ali. It was all gonzo parties in the Hollywood hills with no thematic substance, basically two guys slugging from bottles of Jack Daniels and cooking legs of lambs," Jeff described the experience in a previous interview with Love in the Time of Coronavirus. 

He had his first breakthrough in 2011 when he joined Season 7 of Food Network Star. During his time on the reality show, he astounded judges and viewers alike with his infectious enthusiasm and charming personality. After winning the program, he went on to work on shows like Chopped and Rachael Ray. In 2014, he joined The Kitchen. 

Although Jeff focused on sandwiches during his time on the Food Network Star, he made strong efforts to diversify his profile and broaden his areas of expertise in the following years. 

Some of the most popular recipes he's developed for The Kitchen include the Sausage Egg McMuffin, a fuss-free and affordable spin on the beloved breakfast staple, and Gourmet Mac & Cheese, a delectable, guilt-inducingly rich dish. 

His charming presentation style and spot-on recipes have earned him a loyal following over the years. 

"Ditto! Chef Jeff Mauro's food, his smile & humor brings life 2 my kitchen & home! This makes him stands out among his colleagues!" tweeted an enthusiastic fan.